Will This HD Be King of the Heavy-Duty Trucks? Things don't usually happen this quickly in the truck world. You can see from the photos that the new generation of Silverado/Sierra HD hasn't changed that much visually.

Duramaxed-Out: It's what's Underneath that Counts - Chevrolet has made big improvements to the structure and powertrain that the company promises will make this truck a segment-leader in towing and hauling, all the while burning cleaner and making more power.